Polishing device for automobile brake disc production

Abstract

The invention discloses a polishing device for automobile brake disc production, and relates to the technical field of brake disc machining, the polishing device comprises a machining table, and the machining table is provided with a rotating table for mounting a brake disc body in a matched mode and a shell for protection; the inclined plane machining part is used for polishing the inclined plane of the brake disc body; when a lower pressing table is matched with a clamping block to push a shaft sleeve to slide downwards, a pressing seat at the bottom of a supporting rod can abut against a center disc of the brake disc body, along with continuous pressure application of the lower pressing table, the shaft sleeve is matched with an inclined pressing rod to push a clamping frame to turn over around the pressing seat, and the clamping frame is clamped in the clamping seat; and when the brake disc body is driven by the rotating table to rotate, the grinding rollers can grind and process the inclined surface of the brake disc body.

Description

Technical Field

[0001] This application relates to the technical field of brake disc processing, and more specifically, to a grinding apparatus for automobile brake disc production. Background Technology

[0002] Brake disc grinding is a step in the brake disc manufacturing process, usually carried out after rough turning, finish turning, drilling, etc. It mainly targets the brake surface and the inner wall of the ventilation opening on the brake disc surface. Sandpaper, grinding wheel, angle grinder or special grinding equipment are used to grind the surface to ensure that it is smooth, burr-free and scratch-free, thereby improving braking performance and service life.

[0003] Referring to Chinese patent cases with authorization announcement numbers CN202111203076.0 and CN202111285432.8, the above solutions can grind both sides of the brake pad. However, the inventors realized that the connection between the brake surface of the brake pad and the center disc is usually set as a bevel, and none of the above solutions have the ability to grind this bevel. In the actual grinding process, this bevel is generally directly machined by a turning machine tool, and there will still be some burrs on its surface. The burrs on the bevel are mainly removed by manual grinding, but this is time-consuming and affects the processing efficiency.

[0004] To address the aforementioned issues, we provide a grinding apparatus for automotive brake disc production. Summary of the Invention

[0005] In order to solve the problems mentioned in the background art, this application provides a grinding apparatus for automobile brake disc production.

[0006] The grinding device for automobile brake disc production provided in this application adopts the following technical solution: A grinding apparatus for automobile brake disc production, comprising: A processing table, wherein the processing table is provided with a rotary table for mounting the brake disc body and a protective housing; A bevel processing component is located directly above the rotary table. The bevel processing component includes a hinged clamping frame and a grinding roller mounted in the clamping frame for grinding the bevel of the brake disc body. The outer end of the clamping frame is also hinged to a bevel pressure rod that adjusts the angle of the clamping frame. A planar machining component is located on one side of the rotary table. It includes a vertically arranged roller shaft, with grinding wheels fitted at both the upper and lower ends of the roller shaft for grinding the upper and lower brake surfaces of the brake disc body.

[0007] In some embodiments, the inclined surface processing component further includes a rotatable gear ring with two support rods symmetrically inserted through it. A pressure seat is fixedly connected to the bottom end of the support rod, and a ball bearing is installed at the bottom of the pressure seat. The inner end of the clamping frame is hinged to the pressure seat, and a bushing is slidably fitted near the bottom end of the support rod. The top end of the inclined pressure rod is hinged to the bushing. A support spring is also installed between the bottom surface of the bushing and the pressure seat.

[0008] In some embodiments, the inclined surface processing component further includes a telescopic drive component, on the output shaft of which a lower pressure table is mounted, and the lower pressure table has two sets of mounting grooves on its side. The mounting groove includes an inlet groove, a fixing groove, and a transverse sliding groove. The bottom ends of the inlet groove and the fixing groove are connected through the transverse sliding groove, and the top end of the inlet groove penetrates the top surface of the lower pressure table. A locking block is also installed on the top end of the bushing, and the locking block is inserted into the mounting groove. When the locking blocks on the two bushings are in the mounting slots, they are in opposite positions.

[0009] In some embodiments, a pressure block is also slidably installed in the fixing groove, and a bolt is rotatably installed on the top of the pressure block. The bolt passes through the top surface of the lower pressure table and maintains a threaded engagement with the lower pressure table. The bottom of the pressure block is also provided with a lower protrusion on the side near the inlet / outlet groove.

[0010] In some embodiments, an adjustment drive is also installed on the side wall of the housing of the processing table, and an adjustment gear that meshes with a gear ring is installed on the output shaft of the adjustment drive.

[0011] In some embodiments, a balance plate is also installed at the top of the support rod, and balance rods are connected to the bottom of both ends of the balance plate. Multiple shafts are also installed on the gear ring, and the support rod and balance rods slide through the corresponding shafts respectively. A balance spring is also installed between the bottom end of the balance bar and the bottom of the gear ring.

[0012] In some embodiments, a bearing ring is also installed in the inner ring of the gear ring, and two support frames are fixedly installed on the bearing ring, which are fixedly connected to the inner wall of the machining table housing.

[0013] In some embodiments, the planar machining component further includes a horizontally arranged guide rail, in which a lead screw drive assembly is mounted, and a threaded slide is fitted on the lead screw drive assembly, with a linear drive component mounted on the slide. The roller is mounted on the output shaft of the linear drive, and the distance between the two grinding wheels is greater than the thickness of the brake disc body.

[0014] In some embodiments, the rotary table includes a main motor mounted on the machining table, a threaded shaft mounted on the central shaft of the main motor, and a brake disc body fitted onto the threaded shaft.

[0015] In some embodiments, a lower pad and an upper pad are also fitted on the threaded shaft, the brake disc body is disposed between the lower pad and the upper pad, and a threaded cap is fitted on the end of the threaded shaft extending above the upper pad.

[0016] In summary, in the technical solution of this application embodiment, when the lower pressure table cooperates with the card block to push the bushing down, the pressure seat at the bottom of the support rod will abut against the center plate of the brake disc body. As the lower pressure table continues to apply pressure, the bushing will cooperate with the inclined pressure rod to push the clamping frame to rotate around the pressure seat until the sanding roller at the bottom of the clamping frame can fit against the inclined surface. As the rotating table drives the brake disc body to rotate, the sanding roller can grind the inclined surface of the brake disc body. Furthermore, the lower pressure platform is equipped with two sets of mounting slots. When the locking blocks on the two bushings are located in the mounting slots, they are in different positions. When the gear ring rotates and pushes the two support rods to move, the locking blocks on the bushings will change positions in the mounting slots. That is, the locking blocks will change positions between the fixed slot and the inlet / outlet slot. Then, through the cooperation of bolts, the pressure block can be pushed to press against the locking block in the fixed slot to complete the positioning. At this time, the other locking block will be in the position of the inlet / outlet slot. As the lower pressure platform slides down, the locking block in the fixed slot will push the corresponding bushing and related structure to slide down. The locking block in the inlet / outlet slot will slide along the inlet / outlet slot until it is detached from the lower pressure platform, ensuring that when the lower pressure platform slides down, it can only push one clamping frame and corresponding component. Grinding rollers with different roughness can be installed in the two clamping frames to facilitate the replacement of grinding rollers for grinding purposes.

[0017] In the technical solution of this application embodiment, the lead screw drive assembly can cooperate to adjust the position of the slide, and the linear drive component provided on the slide can adjust the vertical height of the roller. During the rotation of the brake disc body, by adjusting the corresponding grinding wheel to contact the upper and lower brake surfaces of the brake disc body, the grinding process of the brake surface can be completed. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall appearance of the grinding device of this application; Figure 2 This is a schematic diagram of the structure after the processing table is removed in this application; Figure 3 This is a structural schematic diagram of the inclined surface machining component of this application; Figure 4 This is a schematic diagram of the fit between the clamping frame, the pressure seat, and the inclined pressure bar in this application; Figure 5 This is a schematic diagram showing the disassembly of the frame and corresponding structure in this application; Figure 6This is a schematic diagram of the structure related to the gear ring in this application; Figure 7 This is a structural schematic diagram of the telescopic drive component and the lower pressure table of this application; Figure 8 This is a split diagram of the rotary table of this application; Figure 9 This application Figure 3 A schematic diagram of the structure of part A in the middle.

[0019] Explanation of reference numerals in the attached diagram: 1. Processing table; 2. Rotary table; 201. Main motor; 202. Threaded shaft; 203. Lower pad; 204. Upper pad; 205. Threaded cap; 3. Beveled surface machining components; 301. Telescopic drive component; 302. Lower pressure table; 3021. Inlet / outlet groove; 3022. Fixing groove; 3023. Horizontal movement groove; 3024. Clamping block; 3025. Pressure block; 3026. Bolt component; 3027. Lower protrusion; 303. Gear ring; 3031. Shaft cylinder; 3032. Adjusting gear; 3033. Adjusting drive component; 3034. Bearing ring; 3035. Support frame; 304. Support rod; 3041. Balance plate; 3042. Balance rod; 3043. Balance spring; 305. Pressure seat; 3051. Ball bearing; 306. Clamping frame; 3061. Grinding roller; 307. Bushing; 3071. Support spring; 308. Beveled pressure bar; 4. Surface machining components; 401. Guide rail; 402. Screw drive assembly; 403. Slide block; 404. Linear drive component; 405. Roller; 406. Grinding wheel. Detailed Implementation

[0020] The following is in conjunction with the appendix Figures 1 to 9 The present invention will be described in further detail below.

[0021] In the description of this application, it should be understood that the terms "thickness," "upper," "top," "bottom," "inner," "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0022] It should be noted that the accompanying drawings are schematic and not to scale. For clarity and convenience, the relative dimensions and proportions of the parts shown are exaggerated or reduced in size; all dimensions are merely illustrative and not limiting. Furthermore, the same reference numerals are used for the same structures, elements, or fittings appearing in more than two drawings to indicate similar features.

[0023] In related technologies, brake discs are generally machined in one piece by turning machine tools. However, there are still some burrs on the surface of the brake disc after turning, which need to be further polished. The inclined connection structure between the brake surface and the center disc is difficult to polish with general machine tools due to its inclined setting. Therefore, it is mostly polished manually, and thus the processing efficiency needs to be improved. To facilitate the installation and fixing of the brake disc body, refer to... Figure 1 , Figure 2 , Figure 8 As shown, the grinding device of this application includes a processing table 1 and a rotary table 2 set on the processing table 1. The rotary table 2 includes a main motor 201. A threaded shaft 202 that cooperates to fit the brake disc body is also installed on the central shaft of the main motor 201. During installation, the lower pad 203 is first fitted onto the threaded shaft 202. Then, the brake disc body is fitted onto the threaded shaft 202 with the inclined surface facing upward. After that, the upper pad 204 is fitted onto the threaded shaft 202. The brake disc body is clamped and limited by the cooperation of the lower pad 203 and the upper pad 204. Finally, the threaded cap 205 is tightened onto the threaded shaft 202 and the upper pad 204 is pressed to complete the fixation of the brake disc body. With the start of the main motor 201, the brake disc body can be driven to rotate, which facilitates subsequent grinding processing. In this embodiment, the processing table 1 is also provided with a protective shell to prevent broken parts or powder from splashing out during processing. The corresponding structure can also be fixed on the inner wall of the shell to ensure the stability of the structure.

[0024] In order to grind the beveled surface of the brake disc body, refer to Figures 1 to 5 , Figure 7 , Figure 9As shown, the inclined surface processing component 3 also includes a rotatably mounted gear ring 303. Two support rods 304 are symmetrically mounted on the gear ring 303. A pressure seat 305 is fixedly connected to the bottom end of the support rod 304. A ball bearing 3051 is also installed at the bottom of the pressure seat 305. The ball bearing 3051 can reduce the friction between the pressure seat 305 and the center disc of the brake disc body, and reduce the wear on the center disc of the brake disc body. The inner end of the clamping frame 306 is hinged to the pressure seat 305. A bushing 307 is slidably mounted near the bottom end of the support rod 304. The top end of the inclined pressure rod 308 is hinged to the bushing 307. A support spring 3071 is also installed between the bottom surface of the bushing 307 and the pressure seat 305. A grinding roller 3061 is installed at the bottom of the clamping frame 306 for grinding the inclined surface. In this embodiment, the top of the abrasive roller 3061 can be provided with multiple bolt holes, and multiple matching screws are installed through the clamping frame 306. After the abrasive roller 3061 is inserted into the clamping frame 306, the abrasive roller 3061 is fixed in the clamping frame 306 by the cooperation of the screws and bolt holes. The abrasive roller 3061 can be easily replaced after it is worn. Moreover, abrasive rollers 3061 with different roughness can be installed in the two clamping frames 306 of this application respectively. When grinding, abrasive rollers 3061 with different roughness can be used alternately to grind the inclined surface to achieve continuous processing. In this embodiment of the application, the inclined surface processing component 3 further includes a telescopic drive component 301. A lower pressure table 302 is installed on the output shaft of the telescopic drive component 301. Two sets of mounting grooves are provided on the side of the lower pressure table 302. The mounting grooves include an inlet groove 3021, a fixing groove 3022 and a transverse sliding groove 3023. The bottom ends of the inlet groove 3021 and the fixing groove 3022 are connected through the transverse sliding groove 3023. The top end of the inlet groove 3021 penetrates the top surface of the lower pressure table 302. A locking block 3024 is also installed on the top end of the bushing 307. The locking block 3024 is inserted into the mounting groove. Specifically, when the locking blocks 3024 on the two bushings 307 are located in the mounting grooves, they are in opposite positions. That is, the locking blocks 3024 on the two bushings 307 are respectively in the inlet / outlet groove 3021 or the fixed groove 3022 in the corresponding mounting grooves. Thus, as the gear ring 303 rotates, it will synchronously push the two support rods 304 to rotate. At this time, the locking blocks 3024 on the two bushings 307 will slide in the transverse grooves 3023 in the corresponding mounting grooves, and the locking blocks 3024 will also change from the inlet / outlet groove 3021 or the fixed groove 3022 to the fixed groove 3023. The two locking blocks 3024 are positioned at the corresponding positions of the inlet / outlet groove 3021 or the slot 3021. This ensures that one of the two locking blocks 3024 is always in the slot 3021 position, while the other is in the fixed groove 3022 position. When the telescopic drive 301 pushes the lower pressure table 302 to slide downward, the locking block 3024 in the fixed groove 3022 will be restricted and slide downward with the lower pressure table 302. The locking block 3024 in the inlet / outlet groove 3021 will disengage from the lower pressure table 302 along the inlet / outlet groove 3021. This allows for the switching of the two grinding rollers 3061 for grinding processing. In order to further fix the locking block 3024 in the fixing groove 3022, a pressure block 3025 is also slidably installed in the fixing groove 3022. A bolt 3026 is rotatably installed on the top of the pressure block 3025. The bolt 3026 passes through the top surface of the lower pressure table 302 and maintains a threaded engagement with the lower pressure table 302. By rotating the bolt 3026, the pressure block 3025 can be pushed to press against the corresponding locking block 3024. In this embodiment of the application, in order to prevent the locking block 3024 from dislodging from the fixing groove 3022 during the processing, a lower protrusion 3027 is also provided on the bottom of the pressure block 3025 near the inlet and outlet groove 3021. With the cooperation of the lower protrusion 3027, the locking block 3024 can be prevented from sliding into the inlet and outlet groove 3021 during the processing. In this embodiment, in order to achieve the purpose of driving the gear ring 303 to rotate and switching different abrasive rollers 3061 for operation, an adjustment drive 3033 is also installed on the side wall of the housing of the processing table 1. An adjustment gear 3032 that meshes with the gear ring 303 is installed on the output shaft of the adjustment drive 3033. By pre-setting the rotation program of the adjustment drive 3033, it is ensured that the adjustment drive 3033 rotates in both directions and maintains a fixed number of rotations, so as to achieve the effect of the adjustment block 3024 moving and changing position in the mounting slot.

[0025] The specific processing steps are as follows: When the adjusting drive 3033 starts working, it can drive the adjusting gear 3032 to rotate and drive the gear ring 303 to rotate. At this time, the gear ring 303 will drive the two support rods 304 to rotate. Correspondingly, the two locking blocks 3024 will also slide in the corresponding mounting slots to change the position of the locking blocks in the mounting slots. Then, the bolt 3026 can be rotated. Through the cooperation of the bolt 3026, the pressure block 3025 will be pushed to slide in the fixing slot 3022 and fix the locking block 3024 in that position. Subsequently, when the telescopic drive 301 pushes the lower pressure table 302 to slide downward, the restricted locking block 3024 will slide down along with it. The bushing 307 connected to the locking block 3024 will also slide down. Since the support rod 304 is slidably mounted on the gear ring 303, it will also slide down a certain distance. As the pressure seat 305 contacts the center plate of the brake disc body, the support rod 304 will stop sliding down. At this time, when the lower pressure table 302 continues to slide down, it will press the bushing 307 to slide down on the support rod 304 and compress the support spring 3071. The bushing 307 and the clamping frame 306 are hinged together by the inclined pressure rod 308. When the bushing 307 slides down, the inclined pressure rod 308 will push the clamping frame 306 to rotate around the pressure seat 305 until the grinding roller 3061 at the bottom of the clamping frame 306 is in close contact with the inclined surface of the brake disc body. Then, when the rotary table 2 drives the brake disc body to rotate, the inclined surface of the brake disc body can be ground.

[0026] To maintain the stability of support rod 304, refer to Figures 1 to 3 As shown, a balance plate 3041 is also installed at the top of the support rod 304, and a balance rod 3042 is connected to the bottom of both ends of the balance plate 3041. Multiple shaft cylinders 3031 are also installed on the gear ring 303. The support rod 304 and the balance rod 3042 are respectively slidably inserted into the corresponding shaft cylinders 3031. In this embodiment of the application, with the cooperation of the balance plate 3041, the support rod 304 and the two balance rods 3042 can be connected together to maintain balance. Furthermore, a balance spring 3043 is installed between the bottom end of the balance rod 3042 and the bottom of the gear ring 303. Through the setting of the balance spring 3043, a vertical force can be applied to the balance rod 3042 to ensure its vertical sliding and increase its stability. In this embodiment, since the balance rods 3042 at both ends of the balance plate 3041 are set through the gear ring 303, the balance plate 3041 needs to be set in an arc shape and have the same diameter as the gear ring 303.

[0027] In order to limit and fix the gear ring 303, refer to Figure 1 , Figure 2 , Figure 6As shown, a bearing ring 3034 is also installed in the inner ring of the gear ring 303. Two support frames 3035 are fixedly installed on the bearing ring 3034. The support frames 3035 are fixedly connected to the inner wall of the processing table 1 housing. In this embodiment, when the gear ring 303 rotates, it will drive the support rod 304 and the balance rod 3042 on it to rotate as well. Therefore, the support frame 3035 needs to avoid the area of ​​the movement stroke of the support rod 304 and the balance rod 3042, and also needs to maintain the stability of the bearing ring 3034 and the gear ring 303. The two support frames 3035 can be arranged in a figure-eight shape.

[0028] In order to polish the brake surface on the brake disc body, refer to Figure 1 , Figure 2 As shown, the planar processing component 4 also includes a horizontally arranged guide rail 401, a lead screw drive assembly 402 is installed in the guide rail 401, a threaded slide 403 is fitted on the lead screw drive assembly 402, a linear drive component 404 is installed on the slide 403, and a roller 405 is installed on the output shaft of the linear drive component 404. In this embodiment, the distance between the two grinding wheels 406 is greater than the thickness of the brake disc body, and the diameter of the grinding wheels 406 also needs to be greater than the width of the brake surface. With the cooperation of the lead screw drive assembly 402, the slide block 403 can be pushed closer to the brake disc body to keep the brake surface of the brake disc body in the position between the two grinding wheels 406. Then, the linear drive member 404 can push the roller shaft 405 to slide up and down, so that the two grinding wheels 406 can contact the upper and lower brake surfaces for grinding.

[0029] All standard parts used in this application can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the invention. Various changes and modifications can be made to the invention without departing from the spirit and scope of this application, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A grinding device for producing automotive brake discs, characterized in that, include: A processing table (1) is provided with a rotary table (2) for mounting the brake disc body and a protective housing. The inclined surface processing component (3) is located directly above the rotary table (2). The inclined surface processing component (3) includes a hinged clamping frame (306) and a grinding roller (3061) in the clamping frame (306) for grinding the inclined surface of the brake disc body. The outer end of the clamping frame (306) is also hinged to a slant bar (308) for adjusting the angle of the clamping frame (306). The flat surface processing component (4) is set on one side of the rotary table (2). It includes a vertically arranged roller (405), and both the upper and lower ends of the roller (405) are fitted with grinding wheels (406) for grinding the upper and lower brake surfaces of the brake disc body.

2. The grinding device for automobile brake disc production according to claim 1, characterized in that: The inclined surface processing component (3) also includes a rotatable gear ring (303), on which two support rods (304) are symmetrically inserted. A pressure seat (305) is fixedly connected to the bottom end of the support rod (304). A ball bearing (3051) is also installed at the bottom of the pressure seat (305). The inner end of the clamping frame (306) is hinged to the pressure seat (305). A bushing (307) is slidably fitted near the bottom end of the support rod (304). The top end of the inclined pressure rod (308) is hinged to the bushing (307). A support spring (3071) is also installed between the bottom surface of the bushing (307) and the pressure seat (305).

3. The grinding device for automobile brake disc production according to claim 2, characterized in that: The inclined surface processing component (3) also includes a telescopic drive component (301), and a lower pressure table (302) is installed on the output shaft of the telescopic drive component (301). Two sets of mounting grooves are provided on the side of the lower pressure table (302). The mounting groove includes an inlet groove (3021), a fixing groove (3022), and a transverse groove (3023). The bottom ends of the inlet groove (3021) and the fixing groove (3022) are connected through the transverse groove (3023). The top end of the inlet groove (3021) penetrates the top surface of the lower pressure table (302). A locking block (3024) is also installed on the top end of the bushing (307). The locking block (3024) is inserted into the mounting groove. When the locking blocks (3024) on the two bushings (307) are in the mounting slots, they are in opposite positions.

4. The grinding device for automobile brake disc production according to claim 3, characterized in that: A pressure block (3025) is also slidably installed in the fixed groove (3022). A bolt (3026) is rotatably installed on the top of the pressure block (3025). The bolt (3026) passes through the top surface of the lower pressure table (302) and maintains a threaded engagement with the lower pressure table (302). The bottom of the pressure block (3025) is also provided with a lower protrusion (3027) on the side near the inlet / outlet groove (3021).

5. A grinding device for automobile brake disc production according to claim 2, characterized in that: An adjustment drive (3033) is also installed on the side wall of the housing of the processing table (1), and an adjustment gear (3032) that meshes with the gear ring (303) is installed on the output shaft of the adjustment drive (3033).

6. A grinding device for automobile brake disc production according to claim 2, characterized in that: The top of the support rod (304) is also equipped with a balance plate (3041), and balance rods (3042) are connected to the bottom of both ends of the balance plate (3041). Multiple shaft cylinders (3031) are also installed on the gear ring (303). The support rod (304) and the balance rods (3042) are respectively slidably inserted into the corresponding shaft cylinders (3031). A balance spring (3043) is also installed between the bottom end of the balance bar (3042) and the bottom of the gear ring (303).

7. A grinding device for automobile brake disc production according to claim 2, characterized in that: The gear ring (303) is also fitted with a bearing ring (3034) in the inner ring. Two support frames (3035) are fixedly installed on the bearing ring (3034) and the support frames (3035) are fixedly connected to the inner wall of the processing table (1) housing.

8. A grinding device for automobile brake disc production according to claim 1, characterized in that: The planar machining component (4) also includes a horizontally arranged guide rail (401), a lead screw drive assembly (402) is installed in the guide rail (401), a threaded slide (403) is fitted on the lead screw drive assembly (402), and a linear drive component (404) is installed on the slide (403). The roller (405) is mounted on the output shaft of the linear drive (404), and the distance between the two grinding wheels (406) is greater than the thickness of the brake disc body.

9. A grinding device for automobile brake disc production according to claim 1, characterized in that: The rotary table (2) includes a main motor (201) mounted on the processing table (1), and a threaded shaft (202) is mounted on the central shaft of the main motor (201), with the brake disc body mounted on the threaded shaft (202).

10. A grinding device for producing automotive brake discs according to claim 9, characterized in that: The threaded shaft (202) is also fitted with a lower pad (203) and an upper pad (204). The brake disc body is located between the lower pad (203) and the upper pad (204). A threaded cap (205) is also fitted on the end of the threaded shaft (202) that extends above the upper pad (204).

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